Re: tube specification
Tesla List wrote:
> Original Poster: Mazzilli Vladimiro <mazvla-at-iol.it>
> Hi All,
> I've bought some tubes at Milan Hamfest but for two I've no
> one is Amperex 7609 (I think tetrode)
> other is RCA VT165 (1624) With the shape of 807
> Is the first equivalent to the 4x150a?
> If anyone have informations, specification or pinouts about i'll be very
> Vladimiro Mazzilli
My "Tube Lore" book lists the 7609 as being similar to the 4X150D but
with extra resistance to vibration...
-- Bert --